diff --git a/.travis.yml b/.travis.yml
index 9661fbe1a2ffd6a868e72834af7bf8a5e943ada0..a1ac3cdc846a7b6d7c090788d3fe6bc0952a9679 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-dist: bionic
+dist: trusty
 language: python
 python:
   - "2.7"